{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34486", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-03-30T07:57:49.315Z", "datePublished": "2026-04-09T19:35:35.994Z", "dateUpdated": "2026-04-09T19:35:35.994Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache Tomcat", "vendor": "Apache Software Foundation", "versions": [{"status": "affected", "version": "11.0.20", "versionType": "semver"}, {"status": "affected", "version": "10.1.53", "versionType": "semver"}, {"status": "affected", "version": "9.0.116", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Bartlomiej Dmitruk at striga.ai"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the&nbsp;fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.</p><p>This issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.</p><p>Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue.</p>"}], "value": "Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the\u00a0fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.\n\nThis issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue."}], "metrics": [{"other": {"content": {"text": "important"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-311", "description": "CWE-311 Missing Encryption of Sensitive Data", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-04-09T19:35:35.994Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly"}], "source": {"discovery": "EXTERNAL"}, "title": "Apache Tomcat: Fix for CVE-2026-29146 allowed bypass of EncryptInterceptor", "x_generator": {"engine": "Vulnogram 0.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Missing Encryption of Sensitive Data vulnerability in Apache Tomcat due to the\u00a0fix for CVE-2026-29146 allowing the bypass of the EncryptInterceptor.\n\nThis issue affects Apache Tomcat: 11.0.20, 10.1.53, 9.0.116.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fix the issue."}], "id": "CVE-2026-34486", "lastModified": "2026-04-09T20:16:25.063", "metrics": {}, "published": "2026-04-09T20:16:25.063", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-311"}], "source": "security@apache.org", "type": "Primary"}]}

{"bugzilla": {"description": "Apache Tomcat: Apache Tomcat: Missing Encryption of Sensitive Data due to EncryptInterceptor bypass", "id": "2457027", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2457027"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-807", "details": ["A flaw was found in Apache Tomcat. This vulnerability, categorized as Missing Encryption of Sensitive Data, arises from a bypass in the EncryptInterceptor, a component designed to ensure data encryption. This bypass, introduced as a fix for CVE-2026-29146, allows sensitive data to remain unencrypted, potentially leading to information disclosure."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-34486", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "tomcat9", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "tomcat6", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "pki-deps:10.6/pki-servlet-engine", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "pki-servlet-engine", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:5", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat JBoss Web Server 5"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:6", "fix_state": "Affected", "package_name": "tomcat", "product_name": "Red Hat JBoss Web Server 6"}], "public_date": "2026-04-09T19:35:35Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-34486\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-34486\nhttps://lists.apache.org/thread/9510k5p5zdvt9pkkgtyp85mvwxo2qrly"], "statement": "This is an Important flaw in Apache Tomcat where a bypass in the EncryptInterceptor allows sensitive data to remain unencrypted. This could lead to information disclosure in Red Hat Enterprise Linux and Red Hat JBoss Web Server environments utilizing affected versions of Apache Tomcat.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "11.0.20"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "10.1.53"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "9.0.116"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "Apache Tomcat", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "tomcat", "vendor": "apache"}], "analysis": {"en": {"generated_at": "2026-04-09T21:23:11.728082+00:00", "value": {"mitigation_remediation": ["Upgrade Apache Tomcat to the following patched releases: 11.0.21 for the 11.x line, 10.1.54 for the 10.x line and 9.0.117 for the 9.x line."], "summary": {"action": "Apply patch immediately", "impact": "Sensitive data exposure"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Apache Tomcat versions 9.0.116, 10.1.53 and 11.0.20. Upgrading to the repaired releases 9.0.117, 10.1.54 or 11.0.21 mitigates the issue. The affected products are distributed by the Apache Software Foundation.", "description_and_impact": "A bypass of the EncryptInterceptor in Apache Tomcat allows the transmission of sensitive data without encryption, leading to a breach of confidentiality. The underlying weakness is identified as CWE-311, indicating weak or missing encryption mechanisms. Attackers could exfiltrate sensitive information that should have been protected by the interceptor.", "risk_and_exploitability": "No CVSS score was provided, but the lack of encryption could enable malicious actors to intercept confidential data. The EPSS score is unavailable and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is through network traffic to a vulnerable Tomcat instance. Given the confidentiality impact and the ease of triggering the interceptor bypass, this vulnerability poses a moderate to high risk for exposed environments."}}}}, "created": "2026-04-10T08:38:48.694347+00:00", "updated": "2026-04-10T09:29:31.918358+00:00", "vendors": ["apache", "apache$PRODUCT$tomcat"]}